Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1990-09-12
1992-06-16
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
25022724, H01J 314
Patent
active
051226529
ABSTRACT:
A device for deflecting and focusing a light beam comprising a silicon member comprising an optical infeed face arranged facing the supplied light beam for coupling the light beam into the silicon member, and comprising an optical deflection face for deflecting the light beam propagating in the member and comprising a focusing means attached or fashioned at the silicon member for focusing the light beam. This device can be secured to a bottom plate of a light waveguide component and photodetectors and electrical circuits can be integrated on the member K. The device can particularly be employed for optical communication technology, particularly for a data link.
REFERENCES:
patent: 3807842 (1974-04-01), Baker
patent: 3819272 (1974-06-01), Crozier et al.
patent: 4297653 (1981-10-01), Scifres et al.
patent: 4699453 (1987-10-01), Roberts
patent: 4807238 (1989-02-01), Yokomori
patent: 4978843 (1990-12-01), Yamakawa
"Folded-cavity transverse junction stripe surface-emitting laser" Takeshi Takamori et al., Appl. Phys. Lett. 55(11), Sep. 11, 1989, pp. 1053-1055.
IBM Technical Disclosure Bulletin, vol. 20, No. 4, Sep. 1977, pp. 1606-1608.
Nelms David C.
Siemens Aktiengesellschaft
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